2011 Detroit Auto Show: 2012 Audi A6 Hybrid

Audi loves clean diesels, but the German automaker certainly hasn't stacked its entire deck with them. In addition to the upcoming 2012 Audi Q5 Hybrid and the brand's e-Tron electric sports cars in the pipeline, it's now taking hybrids and electric cars seriously, too.And one of Audi's best options for green-conscious U.S. luxury shoppers might end up being the 2012 A6 Hybrid. The